/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.integration;

import org.apache.iotdb.db.conf.IoTDBDescriptor;
import org.apache.iotdb.integration.env.ConfigFactory;
import org.apache.iotdb.integration.env.EnvFactory;
import org.apache.iotdb.itbase.category.ClusterTest;
import org.apache.iotdb.itbase.category.LocalStandaloneTest;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;

import static org.junit.Assert.fail;

@Category({LocalStandaloneTest.class, ClusterTest.class})
public class IoTDBTimePartitionIT {

    private long prevPartitionInterval;

    @Before
    public void setUp() throws Exception {
        prevPartitionInterval = IoTDBDescriptor.getInstance().getConfig().getTimePartitionInterval();
        ConfigFactory.getConfig().setPartitionInterval(2592000);
        EnvFactory.getEnv().initBeforeTest();
    }

    @After
    public void tearDown() throws Exception {
        EnvFactory.getEnv().cleanAfterTest();
        ConfigFactory.getConfig().setPartitionInterval(prevPartitionInterval);
    }

    @Test
    public void testOrderByTimeDesc() {
        try (Connection connection = EnvFactory.getEnv().getConnection();
             Statement statement = connection.createStatement()) {

            String[] sqls =
                    new String[]{
                            "insert into root.group_1.d_1(timestamp, s_1) values(2018-07-18T00:00:00.000+08:00, 18.0)",
                            "insert into root.group_1.d_1(timestamp, s_1) values(2018-07-19T00:00:00.000+08:00, 19.0)",
                            "insert into root.group_1.d_1(timestamp, s_1) values(2019-08-19T00:00:00.000+08:00, 20.0)"
                    };
            for (String sql : sqls) {
                statement.execute(sql);
            }

            String[] retArray = new String[]{"20.0", "19.0", "18.0"};
            boolean hasResultSet = statement.execute("select * from root.group_1.d_1 order by time desc");

            Assert.assertTrue(hasResultSet);
            int cnt = 0;
            try (ResultSet resultSet = statement.getResultSet()) {
                while (resultSet.next()) {
                    String ans = resultSet.getString("root.group_1.d_1.s_1");
                    Assert.assertEquals(retArray[cnt], ans);
                    cnt++;
                }
                Assert.assertEquals(3, cnt);
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage());
        }
    }
}
